SHAKING TABLE TESTS ON A DEFORMATION MITIGATION METHOD FOR NEW AND EXISTING ROAD EMBANKMENT DURING LIQUEFACTION BY USING GRAVEL AND GEOSYNTHETICS

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  • 砕石とジオシンセティックスを併用した新設および既設の道路盛土の液状化時変形抑制工法に関する模型振動実験

Abstract

<p> Small scale shaking table tests in a 1-g gravity field were carried out to evaluate effectiveness of a deformation mitigation method for new and existing road embankment during liquefaction by using geosynthetics sandwiched between gravel layer and a gabion. The reinforced gravel layer could dissipate an excess pore water pressure during liquefaction immediately, and perform as a rigid plate below the embankment. Furthermore, the gabion could confine the slope of embankment and restrain the lateral movement of slope. As a result, these functions could restrain the deformation of embankment, and keep the shape of embankment and flatness of crest.</p>

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